FLEXMAP 3D Immunoproteomics: A Protocol to Characterize General Human Antibody Profiles Against Pathogens
Sondos Yousef1, Sara Taleb1, Frank Schmidt2
1Proteomics Core, Research Department, Weill Cornell Medicine-Qatar, Doha, Qatar.
Methods in Molecular Biology (Clifton, N.J.)
|October 14, 2025
Summary
This study used immunoproteomics with FLEXMAP 3D to analyze antibody profiles in type 2 diabetes patients. The research identified specific antibody responses against bacterial and fungal pathogens.
Area of Science:
- Immunoproteomics
- Clinical diagnostics
- Pathogen detection
Background:
- Immunoproteomics enables the detection and characterization of various analytes from biological samples.
- FLEXMAP 3D is an advanced platform utilizing immunoproteomics for accurate and sensitive analyte profiling.
- Previous studies have demonstrated FLEXMAP 3D's efficacy in timely and specific analyte detection.
Purpose of the Study:
- To present a simplified protocol for characterizing human antibody profiles against pathogens using FLEXMAP 3D.
- To investigate antibody responses in type 2 diabetes patients compared to healthy individuals.
Main Methods:
- Application of immunoproteomics using the FLEXMAP 3D platform.
- Analysis of plasma samples from 16 participants (8 type 2 diabetes patients, 8 healthy controls).
- Detection of antibody responses against six different bacterial/fungal supernatants.
Main Results:
- Characterization of general human antibody profiles against selected pathogens.
- Comparison of antibody responses between type 2 diabetes patients and healthy individuals.
Conclusions:
- FLEXMAP 3D provides a viable method for profiling antibody responses against pathogens.
- The study contributes to understanding host-pathogen interactions in the context of type 2 diabetes.


